Home / 2,771.76-3,823.35-1,651.95

Finding the Fourth Proportional to 2,771.76, 3,823.35 and 1,651.95

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Solution

The fourth proportional to 2,771.76, 3,823.35 and 1,651.95 is: 2,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.76 : 3,823.35 = 1,651.95 : x
  2. Step 2: Convert to fraction form
    2,771.76/3,823.35 = 1,651.95/x
  3. Step 3: Cross multiply
    2,771.76x = 3,823.35 × 1,651.95
  4. Step 4: Simplify right side
    2,771.76x = 6,315,983.03
  5. Step 5: Solve for x
    x = 6,315,983.03/2,771.76
  6. Step 6: Final answer
    x = 2,278.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.